998768148 has 48 divisors (see below), whose sum is σ = 2664945024. Its totient is φ = 285194880.

The previous prime is 998768143. The next prime is 998768161. The reversal of 998768148 is 841867899.

It is a junction number, because it is equal to n+sod(n) for n = 998768091 and 998768100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (998768143) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 246378 + ... + 250398.

It is an arithmetic number, because the mean of its divisors is an integer number (55519688).

Almost surely, 2^998768148 is an apocalyptic number.

It is an amenable number.

998768148 is an abundant number, since it is smaller than the sum of its proper divisors (1666176876).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

998768148 is a wasteful number, since it uses less digits than its factorization.

998768148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6992 (or 6990 counting only the distinct ones).

The product of its digits is 6967296, while the sum is 60.

The square root of 998768148 is about 31603.2933094005. The cubic root of 998768148 is about 999.5892139446.

The spelling of 998768148 in words is "nine hundred ninety-eight million, seven hundred sixty-eight thousand, one hundred forty-eight".